500 million year old fossils appear to contain detailed evidence of ancient brains -- the kind of preservation scientists doubted could ever happen. https://t.co/eFc99w9Xmj pic.twitter.com/2Lv6tI7PcX
— Corey S. Powell (@coreyspowell) December 26, 2019
via Twitter https://twitter.com/coreyspowell
December 26, 2019 at 10:50PM
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